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Finding the Third Proportional to 30,893 and 67,482

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Solution

The third proportional to 30,893 and 67,482 is: 147,406.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,893 : 67,482 = 67,482 : x
  2. Step 2: Convert to fraction form
    30,893/67,482 = 67,482/x
  3. Step 3: Cross multiply
    30,893x = 67,482 × 67,482
  4. Step 4: Simplify right side
    30,893x = 4,553,820,324
  5. Step 5: Solve for x
    x = 4,553,820,324/30,893
  6. Step 6: Final answer
    x = 147,406.22

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.